Switch



April 8, w, BRAND 1,753,846

- SWI'I'CH Filed Dec. 1, 1925 UNIT STAT PAENT FFEQE WILLIAM PAUL BRAND, OF MUSKEGON, MICHIGAN SWITCH Application filed December 1, 1925. Serial No. 72,560.

ihis invention has reference to fire alarms will be normally urged towards the conand aims to provide a novel form of switch tact member 11. Positioned between the which will be affected by the heat caused by members 11 and 12 is a fusible block indicated the lire, to the nd that an electric circuit will at 13, and which may be constructed of any be completed to the signal to give the alarm. suitable material, adapted to melt at approxi- 55 An important object of the invention is to mately 120. This block 18 is positioned in provide a signal member of this character such a way that it will be subjected to the wherein the fusible block is supported in such heat of a lire within a certain range of the way that the fusible blocl: cannot in any device so that the same will melt allowing the way jntg ferg with the 391113513; beige; nafie bemember 12 IEOVG llltO engagement Wltll the 69 tween the members or the switch. Contact member 11 as shown by Figure 2,

With the foregoing and other objects in thereby completingacircuit. View which will appear as the description 16 Sign l Whi h is in the form of an elecproceeds, the invention resides in the coi trioallycontrolled bell is indicated at 14:, and bination and arrangement of parts and in the 18 111 clrc lt wlth the members and 11 details of construction hereinafter described r gh the Wir s 1 nd bOlts 6 and 9. and claimed, it being understood that changes 1h mlght he fuithel' Stated that ho l he in the precise embodiment of the invention flames caused y the Come in direct C011- herein disclosed, may be made within the tact Wlth the ector 01' Switch, the device scope of what is claimed, without departing Will p m i duty much more quickly.

from the spirit of the invention. I ai Refgyri mg t th draw no'; A switch of the class descr1bed,1nclud1ng a Fi 1 i an l ti l i f a it h base, a wide flat contact member secured to constructed in accordance with the invention the base, the pp h and lower surfaces of the and showing the same in a set position. @htach memhel" helhg dlsposed in Phlhe at Figure 2 is an elevational view thereof and g angles to the PP surfaces of the base showing the switch elements in their active to Provlde a pp g Surface h Contact positions or completing the circuit member secured to has? and CllSPOSBCl in Figure 3 is an end elevational View thereof. Parallel Spaced Tehltloh Wlhh the first mell- Fi 4 i a ti l i t k on li tioned contact member, bolts for securing the of Figure 1. 7 contact members to the base, the last men- Referring to the drawing in detail, the deh Contact member helhg formed of Vice includes a base indicated generally by slhenh mahelhal a hehtlarouhd 0119 Of the the reference character 5, which base is conbolts at 3 Pour0 lhtermedlate the end of the structed of any suitable insulating material chhthct member, the free end of the last such as hard rubber, fiber or the like. honed cohhach member adapted to engage the Supported by the base 5 are bolts 6, 7 8 and h hlehtlohed Contact h to mp 9 respectively the bolt-S 6 and 7 supporting c rcuit, and a block of fusible material poslthe contact member 10 while the bolts 8 and honed between the Contact members t0 9 provide means for supporting the contact many l the Contact mhmhers Separatedmember 11 In testimony that I claim the foregoing as This contact member 10 is in the form of a my I have hereto alhxed y Signaturenietallic strip which has an eye at one end to WVILLIAM PAUL BRAND- accommodate the bolt 6, the intermediate portion thereof being looped around the bolt 7, and having its free end extended forwardly as shown by the drawing.

The free end of the member 10 is indicated at 12 and owing to the resiliency of the member 10, it will be obvious that member 12 

